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npm package

ssrfcheck

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. High, CVSS 7.8npmAmendedPublished

    ssrfcheck: SSRF Bypass Caused by Failure to Classify Reserved IP Address Space as Invalid

    CVE-2025-8267 · GHSA-p4hc-9pjh-55c8

    Affected
    • npm ssrfcheck < 1.2.0
    Fixed in
    1.2.0· Vendor fix available
    Issue
    SSRF Bypass in ssrfcheck - fails to classify reserved IP address space as invalid ssrfcheck is an npm package that serves to provide protection from SSRF by validating URLs or hostname inputs. Resources: Project's GitHub code repository: https://github.com/felippe-regazio/ssrfcheck Project's npm package: https://www.npmjs.com/package/ssrfcheck Vulnerability The ssrfcheck package maintains a denylist of IP addresses and ranges to check against when validating if an IP address is to be considered as safe or not. However, the IP address list used for the denylist is incomplete and misses a reserved IP address space as defined by the IANA (Internet Assigned Numbers Authority): - 224.0.0.0/4 - Multicast Practically, this reserved IP address space is used for multicast traffic and would most commonly be used for reserved local communication over network protocols such as UDP, which would make it less likely to be used in a typical SSRF attack in practice. However, such reserved IP address…

    Recommended action: Upgrade to 1.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:osv.dev (1)github.com (2)Source checked Evidence →